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 Biology Questions

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Q:

Which of the following statements about DNA replication is false?

A) The enzyme that catalyzes DNA replication is DNA polymerase. B) Unwinding of the DNA molecule occurs as hydrogen bonds break.
C) The process is known as semiconservative replication because one old strand is conserved in the new molecule. D) Replication occurs as each base is paired with another exactly like it.
 
Answer & Explanation Answer: D) Replication occurs as each base is paired with another exactly like it.

Explanation:
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Q:

Which of the following is an example of parasitism?

A) Leeches consume blood of their host B) Ticks that live on dogs
C) Aphid insects eat the sap of the host plant D) All of the above
 
Answer & Explanation Answer: D) All of the above

Explanation:

The relationship between two organisms such that one lives on the other and one gets benefited while the other get infected.

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Q:

Which of the following vitamins is synthesized by intestinal bacteria?

A) Vitamin B B) Vitamin A
C) Vitamin D D) Vitamin K
 
Answer & Explanation Answer: D) Vitamin K

Explanation:

Most of the Vitamin K is synthesized by intestinal bacteria in the large intestine.

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Q:

The fundamental excitable cell in the nervous system is the

A) Nephron B) Axon
C) Neuron D) Dendrite
 
Answer & Explanation Answer: C) Neuron

Explanation:
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Q:

Nucleic acid hybridization is based on the fact that

A) a chromosome is composed of complementary strands B) all cells have DNA
C) the strands of DNA can be separated D) pairing between complementary bases occurs
 
Answer & Explanation Answer: D) pairing between complementary bases occurs

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Q:

The renal medulla is composed of tissue called

A) Renal Sinus B) Renal Pyramids
C) Vasa Recta D) Renal Pelvis
 
Answer & Explanation Answer: B) Renal Pyramids

Explanation:

The renal medulla is composed of tissue called Renal Pyramids.

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Q:

What is the first thing that alcohol effects?

A) Judgement B) Speech
C) Vision D) Balance
 
Answer & Explanation Answer: A) Judgement

Explanation:

Alcohol impairs your judgement. Judgement is in your brain stupid and it impairs your brain. 

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Q:

The renal corpuscle is made up of

A) Bowman's capsule B) Glomerulus
C) Both A & B D) None of the above
 
Answer & Explanation Answer: C) Both A & B

Explanation:
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